[Boatanchors] Motors and pump flow rate

rbethman rbethman at comcast.net
Fri Jun 5 12:37:07 EDT 2015


On 6/5/2015 9:58 AM, mikea wrote:
> On Wed, Jun 03, 2015 at 06:39:30PM -0400, WA5CAB--- via Boatanchors wrote:
>> Who the **** would run a motor on 50KV?
> Good question. I know that some ships run their propulsion motors on 17KV AC;
> I'm not sure of the frequency, or if it's 1-phase or 3-phase. The Chief Engineer
> of the Carnival Triumph and I spent about 15 minutes discussing the power chain
> between the diesels and the screw(s) on that ship, and I learned a number of
> interesting things. This conversation led me to trawl through the UK marine
> accident investigation agency pages, where there are some interesting reports on
> failures in the electrical segment of some ship propulsion systems.
>
> I also wouldn't be surprised if some steel mills ran very high power motors on
> high voltage AC, but I don't have direct knowledge of that.
>
Doing some hunting for Primary Coolant Loop flow rates, I ran across 
where the flow rate for one Nuclear plant is/was 32 x l0**6 kg/h.

IOW 32 million kg/h.  That takes some serious horsepower!

Regards, Bob - N0DGN


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